diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 7cc44719102..5c7a62a96ae 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -97,14 +97,13 @@ static void parse_lfp_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb) { - struct drm_device *dev = dev_priv->dev; struct bdb_lvds_options *lvds_options; struct bdb_lvds_lfp_data *lvds_lfp_data; struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs; struct bdb_lvds_lfp_data_entry *entry; struct lvds_dvo_timing *dvo_timing; struct drm_display_mode *panel_fixed_mode; - int lfp_data_size; + int lfp_data_size, dvo_timing_offset; /* Defaults if we can't find VBT info */ dev_priv->lvds_dither = 0; @@ -133,14 +132,16 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, entry = (struct bdb_lvds_lfp_data_entry *) ((uint8_t *)lvds_lfp_data->data + (lfp_data_size * lvds_options->panel_type)); + dvo_timing_offset = lvds_lfp_data_ptrs->ptr[0].dvo_timing_offset - + lvds_lfp_data_ptrs->ptr[0].fp_timing_offset; - /* On IGDNG mobile, LVDS data block removes panel fitting registers. - So dec 2 dword from dvo_timing offset */ - if (IS_IGDNG(dev)) - dvo_timing = (struct lvds_dvo_timing *) - ((u8 *)&entry->dvo_timing - 8); - else - dvo_timing = &entry->dvo_timing; + /* + * the size of fp_timing varies on the different platform. + * So calculate the DVO timing relative offset in LVDS data + * entry to get the DVO timing entry + */ + dvo_timing = (struct lvds_dvo_timing *) + ((unsigned char *)entry + dvo_timing_offset); panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL); |